M7 Priest radio

[Dave Block]

I've been searching through the LAC on-line photos and noticed that several 'Priests' have arial fittings for the no. 19 w/t. What was the ratio of vehicles so fitted? All of them, one per battery or what? I noted the later Sextons (at least the one at Base Borden) were equiped with '19s'. Anybody have an idea on how they were mounted in the Priest? Antenna placement suggests the driver's (port) side but details would be greatly appreciated.
BTW, a special thanks to Hanno & company for keeping this site open. It's an amazing resource.
Cheers, Dave